CVE-2026-19041

MEDIUMPre-NVD 6.36.3—
EchelonGraph scoreHIGH confidence

Score 6.3 from GitHub Security Advisory (severity: LOW) published 2026-08-06. a secondary CVSS source baseline 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 6.3Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A vulnerability has been found in MissionSquad mcp-api up to 1.11.8. The impacted element is the function this.packageService.installPackage of the file src/controllers/packages.ts of the component NPM Package Version Handler. The manipulation leads to command injection. It is possible to initiate the attack remotely. Upgrading to version 1.11.9 is sufficient to resolve this issue. The identifier of the patch is a40f54d4533ba6618e1749383a245900eeb024c1. The affected component should be upgraded.

CVSS v3
6.3
EG Score
6.3(high)
EG Risk
29(Track)
EG Risk 29/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity63% × 45%
Exploitation2% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
2%
EPSS %ILE
75%
KEV
Not listed

Published

August 6, 2026

Last Modified

August 12, 2026

Advisory Details (5)

Auto-updated Aug 6, 2026
Patch available. Sources: github_commit, github_pr, github_release.
github_release Patch Available

Release v1.11.9

Patch available: MissionSquad/mcp-api v1.11.9

https://github.com/MissionSquad/mcp-api/releases/tag/v1.11.9
github_pr Patch Available

NPM Package Version Command Injection Vulnerability in MissionSquad/mcp-api

Patch available: MissionSquad/mcp-api v1.11.9 (PR #44 merged 2026-06-09)

https://github.com/MissionSquad/mcp-api/pull/44
generic

NPM Package Version Command Injection Vulnerability in MissionSquad/mcp-api · Issue #41 · MissionSquad/mcp-api · GitHub

https://github.com/MissionSquad/mcp-api/issues/41
github_commit Patch Available

commit a40f54d4533b (MissionSquad/mcp-api)

Patch available: MissionSquad/mcp-api v1.11.9 (contains commit a40f54d4533b)

https://github.com/MissionSquad/mcp-api/commit/a40f54d4533ba6618e1749383a245900eeb024c1
generic

GitHub - MissionSquad/mcp-api: MCP Proxy Server. Streaming. Node/Python. OAuth w/ DCR. · GitHub

https://github.com/MissionSquad/mcp-api/

Vendor Advisories for CVE-2026-19041(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 18× in last 7d / 46× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-08-20 22:55 UTCEPSS rescore
  2. 2026-08-20 12:09 UTCEG score recompute
  3. 2026-08-20 12:09 UTCGHSA enrichment
  4. 2026-08-19 17:03 UTCEPSS rescore
  5. 2026-08-19 10:03 UTCEG score recompute
  6. 2026-08-19 10:03 UTCGHSA enrichment
  7. 2026-08-18 13:48 UTCEPSS rescore
  8. 2026-08-18 07:53 UTCEG score recompute
  9. 2026-08-18 07:53 UTCGHSA enrichment
  10. 2026-08-17 13:47 UTCEPSS rescore
  11. 2026-08-17 05:45 UTCEG score recompute
  12. 2026-08-17 05:45 UTCGHSA enrichment
  13. 2026-08-16 14:56 UTCEPSS rescore
  14. 2026-08-16 03:24 UTCEG score recompute
  15. 2026-08-16 03:24 UTCGHSA enrichment
  16. 2026-08-16 02:14 UTCEPSS rescore
  17. 2026-08-15 01:30 UTCEPSS rescore
  18. 2026-08-15 01:18 UTCGHSA enrichment
  19. 2026-08-13 23:12 UTCEG score recompute
  20. 2026-08-13 23:12 UTCGHSA enrichment
  21. 2026-08-13 22:00 UTCEPSS rescore
  22. 2026-08-12 21:06 UTCEG score recompute
  23. 2026-08-12 21:06 UTCGHSA enrichment
  24. 2026-08-12 13:50 UTCEPSS rescore
  25. 2026-08-12 08:53 UTCEG score recompute
Show 21 more
  1. 2026-08-12 08:53 UTCGHSA enrichment
  2. 2026-08-11 13:42 UTCEPSS rescore
  3. 2026-08-11 06:47 UTCEG score recompute
  4. 2026-08-11 06:47 UTCGHSA enrichment
  5. 2026-08-11 00:00 UTCEPSS rescore
  6. 2026-08-10 04:41 UTCEG score recompute
  7. 2026-08-10 04:41 UTCGHSA enrichment
  8. 2026-08-09 13:46 UTCEPSS rescore
  9. 2026-08-09 02:35 UTCEG score recompute
  10. 2026-08-09 02:35 UTCGHSA enrichment
  11. 2026-08-08 16:37 UTCEPSS rescore
  12. 2026-08-08 00:29 UTCEG score recompute
  13. 2026-08-08 00:29 UTCGHSA enrichment
  14. 2026-08-06 22:24 UTCEG score recompute
  15. 2026-08-06 22:24 UTCGHSA enrichment
  16. 2026-08-06 22:18 UTCNVD updateCVSS v4 → 2.1
  17. 2026-08-06 22:15 UTCMITRE cvelistV5CVSS v4 → 5.3
  18. 2026-08-06 14:28 UTCEG score recompute
  19. 2026-08-06 14:27 UTCNVD updateCVSS v4 → 2.1
  20. 2026-08-06 13:53 UTCEG score recompute
  21. 2026-08-06 13:52 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-19041?
CVE-2026-19041 is a medium vulnerability published on August 6, 2026. A vulnerability has been found in MissionSquad mcp-api up to 1.11.8. The impacted element is the function this.packageService.installPackage of the file src/controllers/packages.ts of the component NPM Package Version Handler. The manipulation leads to command injection. It is possible to initiate…
When was CVE-2026-19041 disclosed?
CVE-2026-19041 was first published in the National Vulnerability Database on August 6, 2026, with the most recent update on August 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-19041 actively exploited?
CVE-2026-19041 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2% probability of exploitation in the next 30 days, which ranks it in the top 25.2% of all scored CVEs.
What is the CVSS score of CVE-2026-19041?
CVE-2026-19041 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-19041?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-19041, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-19041

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